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Graduate School of Science and Engineering
Mechanical Engineering

Advanced Materials Structural Engineering Laboratory

Website of the Laboratory 【In Japanese】

Join us with ambition to study novel and advanced materials or structures for ecological bright future

Staff

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Kazuya OKUBO
[Professor]
Acceptable course
Master's degree course
Doctoral degree course
Telephone : +81-774-65-6444
kokubo@mail.doshisha.ac.jp
Office : YM-224
Database of Researchers
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Kiyotaka OBUNAI
[Associate Professor]
Acceptable course
Master's degree course×
Doctoral degree course×
Telephone : +81-774-65-6972
kiobunai@mail.doshisha.ac.jp
Office : YM-223
Database of Researchers

Research Topics

  • Fatigue mechanisms and new systems for high durable and ecological polymer composites.
  • Crack growth and interactions mechanisms in mechanical structure.
  • Development of advanced composite materials with high performances and properties for industrial applications.
  • Power transmitting mechanisms for CVT (Continuous Variable Transmissions) using metal and conventional V belts.

Research Contents

We believe, our laboratory is ahead in some branches of technology for developing new ecological polymer composites, high durable carbon fiber composites, novel structural system of CVT transmission with superior property and other effective concept for mechanical designs. Relating to our studies, at least ten papers are published annually in not only major domestic journals but also in a number of international journals.
Our laboratory has some collaboration with several companies to conduct specific researches related to the above subjects. We have also special subjects supported by the National Science Fund provided by the Ministry of Education, Culture, Sports, Science and Technology, Japan. Co-sponsorships with industry are welcomed as long as the results will be published in the future. International students are also welcomed. Do not hesitate to contact us.

Details of research subjects are:
  • Study on improvement method of strength for Eco-composites using natural Bamboo fiber
  • Surface treatment method of Bamboo shoot skin fiber for BFRP (Bamboo Fiber Reinforced Plastics)
  • Development of bamboo fiber paper with high specific strength and stiffness
  • Development of advanced carbon fiber composites using CNF (Cellulose Nano Fiber)
  • Proposing a novel approach for joining CFRP structures with bolt fasteners
  • Investigation of creep characteristics of advanced composites
  • Characterization of fiber/matrix interface under various strain speed conditions
  • Novel approach in evaluation of fatigue damage progression of woven fabric composites under cyclic loading.
  • Development of novel C/C Composite (Carbon Fiber Reinforced Carbon Composite) with added fine glass fiber
  • Study on power transmitting mechanisms of metal V-belt type CVT
  • Improvement of power transmitting efficiency of rubber V-belt type CVT for motorcycles
  • Estimation of power loss and prediction of shifting gradient considering elastic deformation of metal V-belt type CVT
  • Crack propagation due to cyclic impact loading and local deformation in rubber conveyor belt for civil engineering
  • Research on reliability and durability of structural adhesive
  • Development of high precision image based measurement system for material testing

Keywords

  • Mechanics of Materials
  • Structural Engineering
  • Linear and Hyper Elastic Mechanics
  • Strength and Fracture Mechanics of Composites Materials
  • Crack and Damage Mechanics
  • Mechanics of Power Transmission Systems
  • Continuous Variable Transmission (CVT)
  • Finite Element Method (FEM)